Inventor · disambiguated record
David Johnson
Also filed as: JOHNSON DAVID · JOHNSON DAVID A · JOHNSON DAVID ANTHONY
5 granted patents·2 pending applications·341 citations·filing 1993–2010
83Inventor score
Top patents by PatentIndex Score
7 records- 0195US5394732AMethod and apparatus for ultrasonic detection of air bubblesCOBE LAB·Filed 1993·Granted Mar 7, 1995·290 cites·45 claims
- 0279US7300197B2Apparatus for dissolving a solid material in a liquidMCCURDY BRENT K·Filed 2006·Granted Nov 27, 2007·14 cites·9 claims
- 0369US6891286B2Magnetostrictive actuatorFiled 2004·Granted May 10, 2005·16 cites·11 claims
- 0465US7103190B2Acoustic deviceNEWLANDS TECHNOLOGY LTD·Filed 2002·Granted Sep 5, 2006·12 cites·30 claims
- 0558US7620193B2Acoustic actuatorsNEWLANDS TECHNOLOGY LTD·Filed 2003·Granted Nov 17, 2009·9 cites·25 claims
- 0638US2005185505A1Apparatus for dissolving a solid material in a liquidFiled 2004·Application pending·0 cites
- 0733US2012115719A1Polymer composite materialsTURNER MATTHEW RICHARD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →